{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{4}{c}}
\hline\hline
                    &\multicolumn{1}{c}{\specialcell{\;Distance \\ HH-WS (m)}}&\multicolumn{1}{c}{\specialcell{\;\;\;Distance \\ HH-WS (min)}}&\multicolumn{1}{c}{\specialcell{Observed \\ \; storage}}&\multicolumn{1}{c}{\specialcell{Reported \\ \; storage}}\\\cmidrule(lr){2-2}\cmidrule(lr){3-3}\cmidrule(lr){4-4}\cmidrule(lr){5-5}
                    &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   &\multicolumn{1}{c}{(4)}   \\
\hline
Very poor x treated &      -2.848   &       0.083   &       0.060   &      -0.112   \\
                    &     (5.153)   &     (0.074)   &     (0.124)   &     (0.131)   \\
Poor x treated      &       0.795   &       0.043   &      -0.034   &      -0.057   \\
                    &     (2.554)   &     (0.045)   &     (0.042)   &     (0.046)   \\
Low income x treated&      -3.296*  &       0.005   &      -0.027   &      -0.002   \\
                    &     (1.781)   &     (0.033)   &     (0.043)   &     (0.047)   \\
Middle income x treated&       2.313*  &       0.145** &       0.057   &       0.073   \\
                    &     (1.360)   &     (0.070)   &     (0.041)   &     (0.044)   \\
High income x treated&       6.729   &       0.170*  &      -0.014   &      -0.155   \\
                    &     (5.110)   &     (0.102)   &     (0.143)   &     (0.139)   \\
\hline
R2                  &        0.01   &        0.02   &        0.06   &        0.03   \\
Obs                 &        5832   &        5729   &        6050   &        6051   \\
\hline\hline
\end{tabular}
}
